Should be the first one, the president vetoes a law by congress since the president which is part of the executive branch is limiting the power of congress in the legislative branch
My gusse wound be (a) though i could be entirely wrong but that is the only time they weren't trying to kill each other
Answer:
The creation of modern science
Explanation:
The scientific revolution started in the XVI century when Copernicus discovered that the earth rotated around the sun and not the opposite this led to reconceive the world as it was not the center of the universe as it was believed.
The scientific revolution brings advances in mathematics, physics and the creation of modern science.